Adding the sqlite sourcecode

ext/recover/recoversql.test

@@ -0,0 +1,52 @@
+# 2022 September 13
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+#
+
+source [file join [file dirname [info script]] recover_common.tcl]
+set testprefix recoversql
+
+do_execsql_test 1.0 {
+  CREATE TABLE "x.1" (x, y);
+  INSERT INTO "x.1" VALUES(1, 1), (2, 2), (3, 3);
+  CREATE INDEX "i.1" ON "x.1"(y, x);
+}
+
+proc sql_hook {sql} {
+  incr ::iSqlHook
+  if {$::iSqlHook==$::sql_hook_cnt} { return 4 }
+  return 0
+}
+
+do_test 1.1 {
+  set ::sql_hook_cnt -1
+  set ::iSqlHook 0
+  set R [sqlite3_recover_init_sql db main sql_hook]
+  $R run
+  $R finish
+} {}
+
+set nSqlCall $iSqlHook
+
+for {set ii 1} {$ii<$nSqlCall} {incr ii} {
+  set iSqlHook 0
+  set sql_hook_cnt $ii
+  do_test 1.$ii.a {
+    set R [sqlite3_recover_init_sql db main sql_hook]
+    $R run
+  } {1}
+  do_test 1.$ii.b {
+    list [catch { $R finish } msg] $msg
+  } {1 {callback returned an error - 4}}
+}
+
+
+finish_test